Functional classification of differentially expressed genes with >2.0 fold changes.

<p>1– Functional categories “Amino Acid metabolism” and “Nitrogen metabolism” are not included; 2– Functional categories “Transport of nitrogen containing compounds” and “Transport of iron containing compounds” are not included; 3– as identified by Krol and Becker <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0058028#pone.0058028-Krol1" target="_blank">[57]</a>; 4– genes with promoter region containing Pho-box identified by Yuan et al., <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0058028#pone.0058028-Yuan1" target="_blank">[58]</a>.